Tumor inside the neck is commonly seen in the following diseases: first, thyroid disease, when the thyroid gland has obvious abnormalities, such as nodular goiter, thyroid tumor, subthyroiditis, or even malignant tumor of the thyroid gland, all of them are manifested as tumor inside the neck, which can be removed by oral medication, such as levothyroxine sodium tablets or surgery, and if it is a malignant tumor, it is necessary to carry out radical thyroid cancer surgery, and then give radiotherapy and medication after the surgery. If the tumor is malignant, radical surgery for thyroid cancer is needed, and after surgery, radiotherapy and medication will be given. Secondly, lymphoma, which is a kind of blood system disease, need to perform biopsy of lymph nodes, and give chemotherapy, targeted drugs and other treatments according to the results. Thirdly, esophageal tumor can be benign or malignant, which needs esophagoscopy for clarification. Fourth, there are other diseases, such as thyroglossal cysts.